Aim ARINC 429 - 2.2.5 AviInitVmeGenericInterrupt

Software Library Reference Manual for VME 429 29
Section 2 – Library Administration Functions
2.2.5 AviInitVmeGenericInterrupt
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void AviInitVmeGenericInterrupt( TY_PCI_INFO *px_PCI_Info,
TY_INIT_VMEGENERIC_INT *in);
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None
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This function applies interrupt specific parameters to the board, specified in
px_PCI_Info. This command can be called after AiVmeExamineSlot() for a board on
the VME bus or after AiPciGetHeader() for a board on a local PCI bus.
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Pointer to the PCI info element for this board. It determines for which board the
additional settings are. To get this parameter please use the output of
AiVmeExamineSlot() or AiPciGetHeader()
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typedef struct ty_init_vmegeneric_int{
AiUInt32 ul_IrLevel;
AiUInt32 ul_IrVector;
INTERRUPT_SET_FUNC *intSetFunction;
INTERRUPT_SET_FUNC *intDeinstallFunction;
} TY_INIT_VMEGENERIC_INT;
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Using this parameter the interrupt level can be applied to the board.
Note: if two PMC boards are driven on the same AVC-2 carrier, both must
have the same interrupt level and vector.
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Using this parameter the interrupt vector can be applied to the board.
Note: if two PMC boards are driven on the same AVC-2 carrier, both must
have the same interrupt level and vector.
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According to specifics of your VME system it can be very different to set and enable the
interrupt to the specific level and vector. So this parameter is a function pointer to a routine,
which can set the interrupt vector to the interrupt vector table in the host VME system for
selected interrupt level number. This function must be from the type
INTERRUPT_SET_FUNC which is defined in ‘API429.h’ as follows:
typedef AiUint8 INTERRUPT_SET_FUNC ( AiUint8 vector,
AiUint8 level, VOID_FUNC *intFuntion);
This is a callback function which will be called from the ‘AviInitVmeInt’ to make the interrupt
settings. The parameter ‘*intFuntion’ of type VOID_FUNC is the function pointer which
should be called in case of interrupt. This function is a driver internal interrupt function
which handles the hardwae interrupt on the AIM board and distributes to the user interrupt
functions.